/*通用样式*/
*{
	margin: 0px;
	padding: 0px;
}
html,body{
	width: 100%;
	height: 100%;
	background: #F6F6F6;
}
ul,li,a{
	list-style: none;
	text-decoration: none;
}
.clear:before,:after{
	content: "";
	display: block;
	clear: both;
}

.Box{
	width: 100%;
}
.Box .Box_Continer{
	max-width: 1260px;
	/*min-width: 455px;*/
	width: 100%;
	height: 90px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
	
}
.Box .logo{
	width: 61.6%;
}
.Box .Box_Continer a{
	display: block;
	width: 256px;
	height: 40px;
	background: url(../img/runoob-logo.png);
	margin-left: 20px;
}
.Box .Box_Continer .Input{
	width: 36%;
	height: 46px;
	padding: 4px 5px 4px 4px;
	box-sizing: border-box;
	border-radius: 3px;
	background: #EEEFED;
}
.Box .Box_Continer .Input input{
	width: 100%;
	height: 36px;
	border: 1px solid #C8C8C8;
	border-radius: 3px;
	font-size: 14px;
	outline: none;
	text-indent: 15px;
}
.nav{
	width: 100%;
	height: 35px;
	background: #96B97D;
}
.nav_content{
	margin: 0 auto;
	height: 35px;
	max-width: 1260px;
	/*min-width: 755px;*/
	width: 100%;
	display: flex;
	-webkit-align-items: center;
    align-items: center;
}
.nav_content ul{
	font-size: 13px;
	display: flex;
	-webkit-align-items: center;
    align-items: center;
    margin-top: 15px;
    overflow: hidden;
    margin-left: 10px;
}	
.nav_content ul a{
	color: #FFFFFF;
}
.nav_content ul a:hover{
	opacity: 0.8;
}
.nav_content ul li{
	margin-right: 23px;
	height: 20px;
}
.nav_content ul li:nth-child(1){
	margin-left: 10px;
	background: url(../img/navarrow.png) no-repeat bottom;
	background-position-y: 15px;
}
.continer{
	margin-top: 20px;
	padding-left: 10px;
	padding-right: 10px;
	display: flex;
	justify-content: center;
	/*max-width: 1260px;*/
	/*min-width: 489px;*/
}
.continer .row{
	width: 80%;
	margin: 0 auto;
}
.col{
	margin-right: 1%;
	float: left;
}
.left-column{
	width: 14%;
	height: 476.5px;
	border: 1px solid #eaeaea;
	background-color:#E5E5E5;
	border-radius: 3px;
	margin-left: 10px;
}
.left-column ul{
	width: 100%;
}
.left-column ul li{
	width: 100%;
	height: 44px;
	background: aliceblue;
	border-bottom: 1px solid #EFEFEF;
	line-height: 44px;
	font-size: 14px;
	font-family: Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif;
	cursor: pointer;
}
.left-column ul li:nth-child(1){
	background: #EDEDED;
	border-radius: 3px 3px 0px 0px;
	height: 25px;
	font-family: "agency fb";
	color: #A3A3A3;
	font-size: 15px;
	line-height: 25px;
}
.left-column ul li:nth-child(11){
	border: none;
}
.left-column ul li img{
	margin-left: 5px;
}

.middle-column-home{
	width: 78%;
	margin-right: 0;
	padding: 12px 20px;
	border: 1px solid #eaeaea;
	background-color:#fff ;
	border-radius: 3px;
}
.HTML-CSS{
	width: 100%;
	min-height: 352px;
	max-height: 454px;
}
.JavaScript{
	min-height: 556px;
	max-height: 760px;
}
.HTML-CSS h2{
	font-size: 18px;
	font-weight: 700;
	margin: 12px 0;
	border-bottom: 1px solid #EAEAEA;
	font-family: Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif;
	display: flex;
}
.HTML-CSS h2 img{
	width: 20px;
	height: 15px;
	margin-top: 2px;
}
.HTML-CSS a{
	display: block;
	width: 28%;
	height: 80px;
	color: #bbb;
	background-color: #F6F6F6;
	border-radius: 5px;
	margin: 0px 8px 10px 0px;
	padding: 6px 16px;
	float: left;
}
.HTML-CSS a li{
	width: 100%;
	height: 80px;
	padding-top: 5px;
	white-space: nowrap;
	text-overflow: ellipsis;
	overflow: hidden;
}
.HTML-CSS a li h4{
	color: #64854c;
	font-family: Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif;
}
.codetion{
	width: 36px;
	height: 36px;
	float: left;
	margin-left: 10px;
	margin-right: 10px;
	border-radius: 5px;
	margin-top: 7px;
}
.HTML-CSS a li strong{
	display: block;
	color: #666;
	text-align: left;
	font-size: 12px;
	font-family: Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif;
	margin-top: 7px;
}

#flex{
	width: 218px;
	height: 208px;
	position: fixed;
	z-index: 9999;
	right: 0;
	top: 67%;
	text-align: center;
	line-height: 40px;
	
}
#flex .sou{
	width: 40px;
	height: 40px;
	background: #fff;
	margin-left: 175px;
	margin-top: 0px;
	border: 1px solid #E5E5E5;
	cursor: pointer;
}
#flex .sou img{
	margin-top: 10px;
}
#flex .sou:hover{
	opacity: 0.8;
}
#flex .back{
	margin-top: 125px;
	border: 1px solid #E5E5E5;
	border-bottom: none;
	font-weight: 700;
	color: #64854C;
	cursor: pointer;
	visibility: visible;
}
#flex .chax{
	width: 150px;
	height: 205px;
	border: 1px solid #A3A3A3;
	margin-top: -207px;
	border-radius: 7px;
	margin-left: 10px;
	background: #FFFFFF;
	font-size: 12px;
	font-weight: 700;
	box-shadow: 1px 1px 8px 0px #A3A3A3;
	display: none;
}


